... ,coating,rubber plastic etc. -fireproof,heat insulation dry ground raw refractory material mica powder1.Grain Size Distrbution:Size+20+40+60+100 ... , conducting wires and electric cables.It is the basic raw material for mica porcelain products.It can be used as suspended ... used as coating in models of forecasting metal, the brightening material in aluminum and paint in electroplating.